| Father | Male James HATT |
| Born | 1811 | England |
| Died | 17 Sep 1884 | Leamington, Ont. |
| Buried | ||
| Married | ||
| Father | ||
| Mother | ||
| Mother | Female Elizabeth DAWSON |
| Born | 1816 | Ireland |
| Died | 16 Jan 1894 | Leamington, Ont. |
| Buried | ||
| Father | ||
| Mother | ||
| Child 1 | Female Sarah J.R. HATT |
| Born | 1836 | Newmarket, Ont. |
| Died | 9 Mar 1914 | Leamington, Ont. |
| Buried | ||
| Spouse | Unknown MOORE | F2679 | |
| Married | ||
| Child 2 | Female Mary Elizabeth HATT |
| Born | 16 Nov 1842 | Mersea Township, Essex County |
| Died | 4 Jun 1923 | Mersea Township, Essex County |
| Buried | 6 Jun 1923 | Lakeview Cem., Leamington, Mersea Twp., Essex Co. |
| Spouse | William DERBYSHIRE | F1671 | |
| Married | 21 Oct 1862 | Kent Co., Ontario |
| Child 3 | Male Henry B. HATT |
| Born | 1846 | Toronto, Ontario |
| Died | ||
| Buried | ||
| Spouse | Celestia Anne TAYLOR | F2258 | |
| Married | 3 Jul 1879 | Mersea Township, Ontario, Canada |
| Spouse | Mary Jane COWAN | F3145 | |
| Married | ||
| Child 4 | Male George A. HATT |
| Born | 1846 | Mersea Township, Ontario, Canada |
| Died | ||
| Buried | ||
| Spouse | Ann MERRIFIELD | F2507 | |
| Married | 22 Jun 1869 | Mersea Township, Ontario, Canada |
| Child 5 | Female Ella Ann HATT |
| Born | 1849 | Canada |
| Died | 19 Apr 1919 | Mersea Township, Essex County |
| Buried | ||
| Spouse | Hiram HICKSON | F1675 | |
| Married | 6 Feb 1866 | Romney Tws., Kent Co. |
| Child 6 | Male Alexander E. HATT |
| Born | 1853 | Mersea Township, Ontario, Canada |
| Died | 20 Dec 1893 | Mersea Township, Ontario, Canada |
| Buried | ||
| Spouse | Mary Elizabeth OGLE | F2259 | |
| Married | 30 Jul 1879 | Mersea Township, Ontario, Canada |